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17919-49-2

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17919-49-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 17919-49-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,9,1 and 9 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17919-49:
(7*1)+(6*7)+(5*9)+(4*1)+(3*9)+(2*4)+(1*9)=142
142 % 10 = 2
So 17919-49-2 is a valid CAS Registry Number.

17919-49-2Downstream Products

17919-49-2Relevant articles and documents

TRIACIDIC SALTS OF TRIS(AMINOMETHYL)PHOSPHINES AND THEIR OXIDES

Frank, Arlen W.,Daigle, Donald J.

, p. 255 - 260 (2007/10/02)

Tris(aminomethyl)phosphines and their oxides form triacidic salts that, unlike the free bases, are air-stable and non-hygroscopic.The salts of the unsubstituted compounds, (NH3+CH2)3P(O)n3X- (3b: n=0, X=Br; 4a-c: n=1, X=Cl, Br, or I), may be prepared directly from 1,3,5-triaza-7-phosphaadamantane (1) or its oxide (2) or from tris(N-carbomethoxylaminomethyl)phosphine oxide (9) by hydrolysis with the appropriate acid.The behaviour of the compounds toward acids and nucleophilic reagents is discussed.

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